McCullough, D. G., & Lloyd, J. B. (2019). The pioneers: The heroic story of the settlers who brought the American ideal west (Unabridged.). Simon & Schuster Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcCullough, David G., और John Bedford Lloyd. The Pioneers: The Heroic Story of the Settlers Who Brought the American Ideal West. Unabridged. New York City, NY: Simon & Schuster Audio, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcCullough, David G., और John Bedford Lloyd. The Pioneers: The Heroic Story of the Settlers Who Brought the American Ideal West. Unabridged. Simon & Schuster Audio, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.